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Bearing

SKF Single row deep groove ball bearing

Bearing

Designation

6404

21
SKF Single row deep groove ball bearing
ParameterSymbolValue
Bored
20 mm
0.7874 in
Outer diameterD
72 mm
2.8346 in
WidthB
19 mm
0.748 in
Reference speed
24000 r/min
Limiting speed
15000 r/min
Mass
0.41 kg
0.9039 lb
Dynamic load ratingC
30.7 kN
6.9016 klbf
Static load ratingC0
15 kN
3.3721 klbf
Fatigue load limitPu
0.64 kN
0.1439 klbf
Inner ring outside diameterd1
37.1 mm
1.4606 in
Outer ring inside diameterD1
54.8 mm
2.1575 in
Inner ring recess diameterd2
-
-
Outer ring recess diameterD2
-
-
Chamfer dimensionr1 min.
1.1 mm
0.0433 in
Chamfer dimensionr2 min.
1.1 mm
0.0433 in
Shaft shoulder diameterda min.
29 mm
1.1417 in
Shaft shoulder diameterda max.
-
-
Housing shoulder diameterDa max.
63 mm
2.4803 in
Fillet radiusra max.
1 mm
0.0394 in
Minimum load factorkr
0.035
Calculation factorf0
11

Main information

Technical and reference information about the record

Brand
SKF
Category
Bearing
Product type
Single row deep groove ball bearing

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